Implement a 3-digit BCD counter. Display the contents of the counter on the 7-segment displays, HEX2− 0. Derive a control signal, from the 50-MHz clock signal provided on the DE2 board, to increment the contents of the counter at one-second intervals. Use the pushbutton switch KEY0 to reset the counter to 0.

part2\counter\counter_3_bit.done
.....\.......\counter_3_bit.flow.rpt
.....\.......\counter_3_bit.map.rpt
.....\.......\counter_3_bit.map.smsg
.....\.......\counter_3_bit.map.summary
.....\.......\counter_3_bit.qpf
.....\.......\counter_3_bit.qsf
.....\.......\counter_3_bit.qws
.....\.......\counter_3_bit.sim.rpt
.....\.......\counter_3_bit.v
.....\.......\counter_3_bit.v.bak
.....\.......\counter_3_bit.vwf
.....\.......\db\counter_3_bit.cbx.xml
.....\.......\..\counter_3_bit.cmp.rdb
.....\.......\..\counter_3_bit.cmp_merge.kpt
.....\.......\..\counter_3_bit.db_info
.....\.......\..\counter_3_bit.eco.cdb
.....\.......\..\counter_3_bit.eds_overflow
.....\.......\..\counter_3_bit.fnsim.cdb
.....\.......\..\counter_3_bit.fnsim.hdb
.....\.......\..\counter_3_bit.fnsim.qmsg
.....\.......\..\counter_3_bit.hier_info
.....\.......\..\counter_3_bit.hif
.....\.......\..\counter_3_bit.lpc.html
.....\.......\..\counter_3_bit.lpc.rdb
.....\.......\..\counter_3_bit.lpc.txt
.....\.......\..\counter_3_bit.map.bpm
.....\.......\..\counter_3_bit.map.cdb
.....\.......\..\counter_3_bit.map.ecobp
.....\.......\..\counter_3_bit.map.hdb
.....\.......\..\counter_3_bit.map.kpt
.....\.......\..\counter_3_bit.map.logdb
.....\.......\..\counter_3_bit.map.qmsg
.....\.......\..\counter_3_bit.map_bb.cdb
.....\.......\..\counter_3_bit.map_bb.hdb
.....\.......\..\counter_3_bit.map_bb.logdb
.....\.......\..\counter_3_bit.pre_map.cdb
.....\.......\..\counter_3_bit.pre_map.hdb
.....\.......\..\counter_3_bit.rtlv.hdb
.....\.......\..\counter_3_bit.rtlv_sg.cdb
.....\.......\..\counter_3_bit.rtlv_sg_swap.cdb
.....\.......\..\counter_3_bit.sgdiff.cdb
.....\.......\..\counter_3_bit.sgdiff.hdb
.....\.......\..\counter_3_bit.sim.cvwf
.....\.......\..\counter_3_bit.sim.hdb
.....\.......\..\counter_3_bit.sim.qmsg
.....\.......\..\counter_3_bit.sim.rdb
.....\.......\..\counter_3_bit.simfam
.....\.......\..\counter_3_bit.sld_design_entry.sci
.....\.......\..\counter_3_bit.sld_design_entry_dsc.sci
.....\.......\..\counter_3_bit.syn_hier_info
.....\.......\..\counter_3_bit.tis_db_list.ddb
.....\.......\..\counter_3_bit.tmw_info
.....\.......\..\prev_cmp_counter_3_bit.map.qmsg
.....\.......\..\prev_cmp_counter_3_bit.qmsg
.....\.......\..\prev_cmp_counter_3_bit.sim.qmsg
.....\.......\..\wed.wsf
.....\.......\incremental_db\compiled_partitions\counter_3_bit.root_partition.map.atm
.....\.......\..............\...................\counter_3_bit.root_partition.map.dpi
.....\.......\..............\...................\counter_3_bit.root_partition.map.hdbx
.....\.......\..............\...................\counter_3_bit.root_partition.map.kpt
.....\.......\..............\README
.....\db\part2.asm.qmsg
.....\..\part2.asm_labs.ddb
.....\..\part2.cbx.xml
.....\..\part2.cmp.bpm
.....\..\part2.cmp.cdb
.....\..\part2.cmp.ecobp
.....\..\part2.cmp.hdb
.....\..\part2.cmp.kpt
.....\..\part2.cmp.logdb
.....\..\part2.cmp.rdb
.....\..\part2.cmp.tdb
.....\..\part2.cmp0.ddb
.....\..\part2.cmp_merge.kpt
.....\..\part2.db_info
.....\..\part2.eco.cdb
.....\..\part2.fit.qmsg
.....\..\part2.hier_info
.....\..\part2.hif
.....\..\part2.lpc.html
.....\..\part2.lpc.rdb
.....\..\part2.lpc.txt
.....\..\part2.map.bpm
.....\..\part2.map.cdb
.....\..\part2.map.ecobp
.....\..\part2.map.hdb
.....\..\part2.map.kpt
.....\..\part2.map.logdb
.....\..\part2.map.qmsg
.....\..\part2.map_bb.cdb
.....\..\part2.map_bb.hdb
.....\..\part2.map_bb.logdb
.....\..\part2.pre_map.cdb
.....\..\part2.pre_map.hdb
.....\..\part2.rtlv.hdb
.....\..\part2.rtlv_sg.cdb
.....\..\part2.rtlv_sg_swap.cdb
.....\..\part2.sgdiff.cdb
.....\..\part2.sgdiff.hdb

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